Bakee g oven



` June 15 1926.

J. F. NOVAK BAKER S ILVITN Filed Dec. 24 1925 3 Sheets-Shet 2 INV TORv ATTORNEY June 15 1926;

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F m D ATToRuLY Patented June 15;, 1,926. i UI'FED STATES P.if-#i'l."l` Fifi-CE.

JGSEPH F. NSY/AK, OF CLEVELAND, O-IO.

BAKERS OVEN.

Application filed December 24, 1925. Serial No. 77,58).

ylhis invention relates to bakers ovens, tially fan-shaped body. The burner has a and has for its object the provision of means slightly bowed top, clearly shown in Fig. 5 for supplying heat and moisture into the and a recess generally indicated at il in the same. The dry heat of the present gasbottom thereof. A mixture of air, water 60 heated baking ovens tends to produce bread vapor and kerosene or the like is blown thru loaves, cakes andthe like completely dried pipe 7, as will be presently explained, and out, with cracked skins and an undesirable this mixture joins gas issuing from gas supflavor. The object of my invention is to ply pipe l?. rlhe gas and the mixture are introduce moisture into the gas heating then blown thru pipe 4 into the burner, and 65 l means, whereby the proper humidity may imp inge against the interior surfaces 13 and be maintained in the oven. The old wood- 14 thereof, are thoroly mixed and spread burning ovens formerly produced bread and and the force thereof reduced, simultaneousthe like with the desirable amount of meisly. The mixed gas and mixture then ,issue ture and without impairing the flavor therefrom the lips l of mouth 19 where it is 70 of, due to the fact that the moisture of the ignited and burns in the form of a yellow wood burned was partly absorbed by the fan-like flame. baking bread or the like. rPhe gas ovens To produce the mixture of water vapor, which have replaced the old wood-burning air and kerosene or the like, which is blown ovens 'include no efficient means for the inin by blower 8 to burner 2, l provide a mixer troduction of moisture, and it is the object illustrated in Fig. 6, wherein l0 indicates of my invention to provide such means. generally the body thereof, which is bolted Another object of my invention is to pro 19 to the intake 20 (Fig, of blower vide fuel enriching means, whereby, should At the top of this mixing manifold, I prothe gas pressure become low, the heat supvide a removable member 21 in the form of 25 plied to the oven will not be materially a funnel. Ascreen 22, of any desired mesh, diminished. is held between the bottom of funnel 2l and My invention is illustrated in the accoma circumferential groove in the manifold panying drawings, in which Fig. 1 is a 10. This screen serve to prevent dirt or plan view of a bread baking oven with heatother foreign matter from dropping into the B5 Ving and moisture producing means applied manifold, and also to assist in breaking Vup thereto, Fig. 2 is a front elevation thereof, drops of water and kerosene dropped from Fig. 3 is a detail sectional view of one of pipes 23 and 25 respectively. The amount the burners, Fig. 4; is a section on the line of water and kerosene dropped may be conof Fig. 3, Fig. 5 is an end view thereof, trolled by the respective valves 24 and 26, 99 Fig, (5 is adetail sectional view of the mixand may come from any suitable supply, ing manifold, F 7 is a section on the line not shown. The kerosene may be supplied 7-7 of Fig. 6, Figs. 8 and 9 are detail views only when the gas pressure has become low of the vaporizer, and Fig. l0 is a view of and it is desired to enrich the fuel. one of the gate valves. Adjustable gate valves or battles 27 and f5 4U Referring specifically to the drawings, l 2S are angularly disposed in the intake :indicates a gas-heated oven of usual conmanifold and are'located on either side of a struction, on each side of the door 1a thereof vaporizer 29. The vaporizer is made of two I provide a. burner unit consisting of a circular perforatetL discs, joined tog ther at burner @mounted by means of a bolted split right angles, as shown. At the point of 109 collar 3 on a supply pipe Ll projecting thru location of gate valves 28, l provide an inthe front wall of the oven and connectingward extension or battle 8G. ln the operaat a T-joint 5 with a gas supply pipe 6 and tion of the mixer, the blower tends to create a heat and vibration insulating1 tube T con'- vacuum in the manifold, which results in necting with an air blower 8 driven by an the suction of air and broken drops of 195 electric motor 9. The blower intake is pro-- water and kerosene thru screen 22, downvided with a mixing manifold 10 to be herewardly between gate valves 27 and 28, which inafter described. are so arranged that the moisture laden air The location and number of burners is of current is directed by the same and the course to be determined by the size of thel baffle 30 againstvthe side of the vaporizer, 110 oven to be heated. These burners, illustratthereby producing rapid. revolution of ed in Figs. 3, 4, and 5, comprise a substan vaporizer and consequent breaking up of the `particles of Water anni kerosene into vepoi'.

From the foregoing description, it will be seen that the burners are provided with e mixture of water, vapor, air am" gas, and if desired, kerosene oi' he like, Thereby the burners will produce both heat and meis My iiivcnioii iiou limited. to the pai"U lai' ioim showi, but various iiied''ieaioiie theiecf zii-e within the scope of the 'foiowing' chime.

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l. Meme for supplying' Water Vapor oi' the ike te e )rising a Water and aii' si. -f i'epoi'izeif an?. im xii' and we' ing manifold, a sugpy to the berne?, @ne e blower range@ beween said mzmiffoi ply pipe, whereby ai? and w into Said iianifod, he 'water mixed with seid and fyi gee Supply pipe and thence Wih pipe *co vdie burner.

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2. The combination W151i n pile to a burner, of means air und Waeixf'epoi or the prismgf :L waiter auf; mi'

maiiii'eid7 liefdes in o ma.mivid? z; v izzei in siii( 1iiz\1ii`' )`id. and a bioe'oi' 'l tively mi'anged between said mimioid und. gus Supply pipe, whereby air aid Wuer is drawn iiito seid manifold, he Wai-ier *aporiaied, mixed with said air und 'i' i1- sai@ gas supply pipe.

Q wages@ pipe o burner, of meelA :mid wa'ei vapor or prisme a Water and mi Y zur-iov s( id o f; Supply supplying 50 mony Wheieo, Mii); mj; "i

JOSEPH F. NGVAK. 

